113502087 has 16 divisors (see below), whose sum is σ = 170663680. Its totient is φ = 74537496.

The previous prime is 113502071. The next prime is 113502089. The reversal of 113502087 is 780205311.

It is not a de Polignac number, because 113502087 - 2⁴ = 113502071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113502087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113502089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29563 + ... + 33180.

It is an arithmetic number, because the mean of its divisors is an integer number (10666480).

Almost surely, 2^113502087 is an apocalyptic number.

113502087 is a deficient number, since it is larger than the sum of its proper divisors (57161593).

113502087 is an equidigital number, since it uses as much as digits as its factorization.

113502087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62819 (or 62813 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 113502087 is about 10653.7358236442. The cubic root of 113502087 is about 484.1737972366.

Adding to 113502087 its reverse (780205311), we get a palindrome (893707398).

The spelling of 113502087 in words is "one hundred thirteen million, five hundred two thousand, eighty-seven".